A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

The Pope’s secret escape route.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

2300-year-old Roman road connecting the empire.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

Drink wine handed out through a window as part of an age-old tradition.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

A rocky face gazes out over an enormous volcanic crater.

These wooden balconies that are both decorative and functional.

Tour the inside of a massive lava tube formed during a 1949 volcanic eruption.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

Week-long block party becomes a competition for the best decorated street.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

A beautiful but toxic fountain of mercury.

This semi-secret storybook hedge maze is also the oldest garden in the city.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.